COMMITTEE ON PUBLICATION 



George C. Edwards, Chairman 



C. E. Grunsky Barton Warren Evermann, Editor 



PROCEEDINGS 



Fourth Series 



VOLUME I 



Expedition of the California Academy of Sciences to the Galapagos Islands, 



1905-1906. 

 Pages 1-6. I. Preliminary Description of Four New Races of 



Gigantic Land Tortoises from the Galapagos Islands. By John 



Van Denburgh. (Issued December 20, 1907) $0. 25 



Pages 7-288. II. A Botanical Survey of the Galapagos Islands. 



By Alban Stewart. Plates i-xix. (Issued January 20, ion) ... 1 . 75 

 Pages 289-322. III. The Butterflies and Hawk-Moths of the 



Galapagos Islands. By Francis X. Williams. Plates xx-xxi. 



(Issued October 7, 1911) 50 



Pages 323-374. IV. The snakes of the Galapagos Islands. By 



John Van Denburgh. Plates xxn-xxx. (Issued January 17, 1912) . 50 

 Pages 375-404. V. Notes on the Botany of Cocos Island. By 



Alban Stewart. Plates xxxi-xxxiv. (Issued January 19, 191 2) . 35 

 Pages 405-430. VI. The Geckos of the Galapagos Archipelago. 



By John Van Denburgh. (Issued April 16, 191 2) .35 



Pages 431-446. VII. Notes on the Lichens of the Galapagos 



Islands. By Alban Stewart. (Issued December 17, 191 2) .25 



VOLUME II, Part I 



Expedition of the California Academy of Sciences to the Galapagos Islands, 



1905-1906. 

 Pages 1-132. VIII. The Birds of the Galapagos Islands, with 



Observations on the Birds of Cocos and Clipperton Islands 



(Columbiformes to Pelecaniformes). By Edward Winslow Gifford. 



Plates i-vn. (Issued August 11, 1913) 1 . 00 



Pages 133-202. IX. The Galapagoan Lizards of the Genus Tro- 



pidurus; with Notes on the Iguanas of the Genera Conolophus 



and Amblyrhyncus. By John Van Denburgh and Joseph R. 



Slevin. Plates viii-xi. (Issued September 19, 1913) 50 



Pages 203-374. X. The Gigantic Land Tortoises of the Galapagos 



Archipelago. By John Van Denburgh. Plates xii-cxxiv. 



(Issued September 30, 1914) 2.00 



Pages 375-382. XI. Preliminary Descriptions of New Species of 



Pulmonata of the Galapagos Islands. By William Healey Dall. 



(Issued December 31, 1917) 10 



VOLUME II, Part II 



Pages 1-187. XII. A Review of the Albatrosses, Petrels, and 

 Diving Petrels. By Leverett Mills Loomis. Plates 1-17. (Issued 



April 22, 1918) 1 .50 



Pages 189-258. XIII. Field Notes on the Land Birds of the Gala- 

 pagos Islands and of Cocos Island, Costa Rica. By Edward 



Winslow Gifford. (Issued June 16, 1919) 50 



Pages 259-310. XIV. The Ants of the Galapagos Islands. By 

 William Morton Wheeler. (Issued June 

 16, 1919.) 

 XV. The Ants of Cocos Island. By William 

 Morton Wheeler. (Issued June 16, 191 9.) 

 XVI. A New Species of the Hymenopterous Genus 

 Scleroderma from the Galapagos Islands. 

 By Charles T. Brues. (Issued June 16, 



1919.) Price for the three papers .25 



Pages 311-345. XVII. Dermaptera and Orthoptera. By Morgan 

 Hebard. Plate 18. Text figures 1-11. 

 (Issued December 30, 1920.) 1 . 00 



